fix some bugs in demo.py, improve READEME.md#181

Merged

Tramac merged 2 commits intoTramac:masterfrom fikry102:demo_bug

Jun 11, 2021

+9-2

Commits on Jun 9, 2021

fix some bug in demo.py
lyu
committed

Commits on Jun 11, 2021

fix some bugs in demo and improve READEME.md
lyu
committed